Utility knife



FIG. 1 is a right-side elevational view of the invention with the bladeextended and the grip depressed;

FIG. 2 is a left-side elevational view of the invention with the bladeextended and the grip depressed;

FIG. 3 is a right-side elevational view of the invention with the bladeretracted and the grip unactuated;

FIG. 4 is a left-side elevational view of the invention with the bladeretracted and the grip unactuated;

FIG. 5 is a top view of the invention with the blade extended;

FIG. 6 is a perspective view from the rear end of the invention with thegrip unactuated; and,

FIG. 7 is a perspective view from the rear end of the invention with thegrip depressed and the blade extended.

The broken lines depict portions of the utility knife in which thedesign is embodied that are not considered part of the claimed design.

CLAIM The ornamental design for a utility knife, as shown and described.